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Our Capabilities > Coatings & Surface Finishes

Coatings & Surface Finishes

Surface finishing is a critical step in ensuring parts meet performance, durability, and aesthetic requirements. Mechalink provides access to a wide range of industrial coating and surface treatments to suit functional prototypes, production components, and end-use parts across metal and plastic manufacturing. We manage the full finishing process - from specification and supplier selection through to quality control - so parts arrive ready for use, assembly, or sale.

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Material Capabilities

Materials We Work With

Material certificates available upon request.

Metals

Aluminium 6061, 7075 and other common grades
Stainless steel 304, 316
Mild, alloy and tool steels
Brass and copper alloys
Grade 2 and 5 titanium

Plastics

ABS, ASA
Nylon (PA6 & PA12), glass filled
Polycarbonate (PC)
PETG, HDPE, UHMWPE
PEEK, PEI

Additive Manufacturing Materials

PLA, ABS, ASA
Nylon PA12
Carbon fibre reinforced polymers
TPU / Elastomers
Metal powders (Al, SS, Ti)

Sheet & Plate Materials

Aluminium sheet & plate
Stainless steel sheet
Mild steel
Advanced alloys + Chromoly
Copper + Brass

Casting Alloys

Aluminium A356, A380 & other common alloys
Zinc alloys

-Magnesium alloys

Composites

Carbon fibre laminates
Glass-fibre reinforced plastics
Structural composite sandwich panels
Moulded and machined options available

Surface Finishes & Treatments

Anodising & hard anodising
Powder coating
Plating (zinc & nickel)
Heat treatment
Bead blasting & polishing

surface finishing

Why Surface Finishing Matters

Surface finishes are not just cosmetic. The right coating can significantly improve wear resistance, corrosion performance, electrical insulation, thermal properties, and overall part lifespan. Selecting the wrong finish, however, can lead to premature failure, poor fitment, or unnecessary cost.

Mechalink helps you choose finishes based on real-world operating conditions, tolerances, and downstream manufacturing needs.

plastic finishes

What We Offer

Anodising (Aluminium):

Clear, black, and coloured anodising
Type II decorative anodising
Type III hard anodising for wear resistance
Improved corrosion resistance and surface hardness
Typical thickness: 5-50µm

Heat Treatment:

Aluminium heat treatments (T4, T5, T6, T7)
Steel hardening, tempering, and stress relieving
Improves strength, fatigue lift and dimensional stabilitity

Powder Coating:

Durable protective and decorative coating
Wide colour and texture range
Suitable for structural and cosmetic parts
Thickeness typically 60-120µm

Painting & Industrial Coatings:

Wet spray and industrial paint systems
Functional and cosmetic finishes
Suitable for low volume and large components

Plating & Conversion Coatings:

Zinc Plating
Nickel plating
Chrome plating
Passivation for stainless steel
Chemical conversion coating for corrosion protection

We offer a comprehensive range of surface treatments for aluminium, steel, stainless steel, brass, copper, and other engineering metals.

WHY CHOOSE US

Why Choose Mechalink

We simplify design and manufacturing by managing the entire process - from engineering through to trusted global production. Delivering reliable, high quality parts with confidence.

Complete Engineering  Support

Work directly with an Australian mechanical engineer — not a sales layer. From scan to production-ready CAD.

Engineering-Grade Accuracy

Scans and models suitable for real manufacturing, not just visuals.

Fast Quotes &
Turnaround

Clear pricing, realistic timelines, and responsive communication.

Quality You Can
Trust

Every scan is reviewed, cleaned, and optimised before delivery.

Start Your Project

Need High-Accuracy 3D Scanning in Sydney?

Onsite scanning available • Mail-in parts accepted • Fast turnaround